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llvm-project/llvm/test/CodeGen/X86/stackmap.ll

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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s
;
; Note: Print verbose stackmaps using -debug-only=stackmaps.
; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps
; CHECK-NEXT: __LLVM_StackMaps:
; Header
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 0
; Num Functions
; CHECK-NEXT: .long 16
; Num LargeConstants
; CHECK-NEXT: .long 3
; Num Callsites
; CHECK-NEXT: .long 20
; Functions and stack size
; CHECK-NEXT: .quad _constantargs
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _osrinline
; CHECK-NEXT: .quad 24
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _osrcold
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _propertyRead
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _propertyWrite
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _jsVoidCall
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _jsIntCall
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _spilledValue
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _spilledStackMapValue
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _spillSubReg
; CHECK-NEXT: .quad 56
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _subRegOffset
; CHECK-NEXT: .quad 56
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _liveConstant
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _directFrameIdx
; CHECK-NEXT: .quad 56
; CHECK-NEXT: .quad 2
; CHECK-NEXT: .quad _longid
; CHECK-NEXT: .quad 8
; CHECK-NEXT: .quad 4
; CHECK-NEXT: .quad _clobberScratch
; CHECK-NEXT: .quad 56
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .quad _needsStackRealignment
; CHECK-NEXT: .quad -1
; CHECK-NEXT: .quad 1
; Large Constants
; CHECK-NEXT: .quad 2147483648
; CHECK-NEXT: .quad 4294967295
; CHECK-NEXT: .quad 4294967296
; Callsites
; Constant arguments
;
; CHECK-NEXT: .quad 1
; CHECK-NEXT: .long L{{.*}}-_constantargs
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 12
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 65536
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 2000000000
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 2147483647
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long -1
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; LargeConstant at index 0
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; LargeConstant at index 1
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 1
; LargeConstant at index 2
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 2
; SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long -1
define void @constantargs() {
entry:
%0 = inttoptr i64 12345 to i8*
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 15, i8* %0, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1)
ret void
}
; Inline OSR Exit
;
; CHECK-LABEL: .long L{{.*}}-_osrinline
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define void @osrinline(i64 %a, i64 %b) {
entry:
; Runtime void->void call.
call void inttoptr (i64 -559038737 to void ()*)()
; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars.
call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b)
ret void
}
; Cold OSR Exit
;
; 2 live variables in register.
;
; CHECK-LABEL: .long L{{.*}}-_osrcold
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define void @osrcold(i64 %a, i64 %b) {
entry:
%test = icmp slt i64 %a, %b
br i1 %test, label %ret, label %cold
cold:
; OSR patchpoint with 12-byte nop-slide and 2 live vars.
%thunk = inttoptr i64 -559038737 to i8*
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 15, i8* %thunk, i32 0, i64 %a, i64 %b)
unreachable
ret:
ret void
}
; Property Read
; CHECK-LABEL: .long L{{.*}}-_propertyRead
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define i64 @propertyRead(i64* %obj) {
entry:
%resolveRead = inttoptr i64 -559038737 to i8*
%result = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 15, i8* %resolveRead, i32 1, i64* %obj)
%add = add i64 %result, 3
ret i64 %add
}
; Property Write
; CHECK-LABEL: .long L{{.*}}-_propertyWrite
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define void @propertyWrite(i64 %dummy1, i64* %obj, i64 %dummy2, i64 %a) {
entry:
%resolveWrite = inttoptr i64 -559038737 to i8*
call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 15, i8* %resolveWrite, i32 2, i64* %obj, i64 %a)
ret void
}
; Void JS Call
;
; 2 live variables in registers.
;
; CHECK-LABEL: .long L{{.*}}-_jsVoidCall
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define void @jsVoidCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
entry:
%resolveCall = inttoptr i64 -559038737 to i8*
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 15, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
ret void
}
; i64 JS Call
;
; 2 live variables in registers.
;
; CHECK-LABEL: .long L{{.*}}-_jsIntCall
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 2
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short {{[0-9]+}}
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define i64 @jsIntCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) {
entry:
%resolveCall = inttoptr i64 -559038737 to i8*
%result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 15, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2)
%add = add i64 %result, 3
ret i64 %add
}
; Spilled stack map values.
;
; Verify 17 stack map entries.
;
; CHECK-LABEL: .long L{{.*}}-_spilledValue
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 17
;
; Check that at least one is a spilled entry from RBP.
; Location: Indirect RBP + ...
; CHECK: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 6
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) {
entry:
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 15, i8* null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16)
ret void
}
; Spilled stack map values.
;
; Verify 17 stack map entries.
;
; CHECK-LABEL: .long L{{.*}}-_spilledStackMapValue
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 17
;
; Check that at least one is a spilled entry from RBP.
; Location: Indirect RBP + ...
; CHECK: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 6
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
define webkit_jscc void @spilledStackMapValue(i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) {
entry:
call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 15, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16)
ret void
}
; Spill a subregister stackmap operand.
;
; CHECK-LABEL: .long L{{.*}}-_spillSubReg
; CHECK-NEXT: .short 0
; 4 locations
; CHECK-NEXT: .short 1
;
; Check that the subregister operand is a 4-byte spill.
; Location: Indirect, 4-byte, RBP + ...
; CHECK: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 4
; CHECK-NEXT: .short 6
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
define void @spillSubReg(i64 %arg) #0 {
bb:
br i1 undef, label %bb1, label %bb2
bb1:
unreachable
bb2:
%tmp = load i64, i64* inttoptr (i64 140685446136880 to i64*)
br i1 undef, label %bb16, label %bb17
bb16:
unreachable
bb17:
%tmp32 = trunc i64 %tmp to i32
br i1 undef, label %bb60, label %bb61
bb60:
tail call void asm sideeffect "nop", "~{ax},~{bx},~{cx},~{dx},~{bp},~{si},~{di},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 13, i32 5, i32 %tmp32)
unreachable
bb61:
unreachable
}
; Map a single byte subregister. There is no DWARF register number, so
; we expect the register to be encoded with the proper size and spill offset. We don't know which
;
; CHECK-LABEL: .long L{{.*}}-_subRegOffset
; CHECK-NEXT: .short 0
; 2 locations
; CHECK-NEXT: .short 2
;
; Check that the subregister operands are 1-byte spills.
; Location 0: Register, 4-byte, AL
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 1
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
;
; Location 1: Register, 4-byte, BL
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 1
; CHECK-NEXT: .short 3
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 0
define void @subRegOffset(i16 %arg) {
%v = mul i16 %arg, 5
%a0 = trunc i16 %v to i8
tail call void asm sideeffect "nop", "~{bx}"() nounwind
%arghi = lshr i16 %v, 8
%a1 = trunc i16 %arghi to i8
tail call void asm sideeffect "nop", "~{cx},~{dx},~{bp},~{si},~{di},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 5, i8 %a0, i8 %a1)
ret void
}
; Map a constant value.
;
; CHECK-LABEL: .long L{{.*}}-_liveConstant
; CHECK-NEXT: .short 0
; 1 location
; CHECK-NEXT: .short 1
; Loc 0: SmallConstant
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 0
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long 33
define void @liveConstant() {
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 5, i32 33)
ret void
}
; Directly map an alloca's address.
;
; Callsite 16
; CHECK-LABEL: .long L{{.*}}-_directFrameIdx
; CHECK-NEXT: .short 0
; 1 location
; CHECK-NEXT: .short 1
; Loc 0: Direct RBP - ofs
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 6
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
; Callsite 17
; CHECK-LABEL: .long L{{.*}}-_directFrameIdx
; CHECK-NEXT: .short 0
; 2 locations
; CHECK-NEXT: .short 2
; Loc 0: Direct RBP - ofs
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 6
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
; Loc 1: Direct RBP - ofs
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 8
; CHECK-NEXT: .short 6
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long
define void @directFrameIdx() {
entry:
%metadata1 = alloca i64, i32 3, align 8
store i64 11, i64* %metadata1
store i64 12, i64* %metadata1
store i64 13, i64* %metadata1
call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0, i64* %metadata1)
%metadata2 = alloca i8, i32 4, align 8
%metadata3 = alloca i16, i32 4, align 8
call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 17, i32 5, i8* null, i32 0, i8* %metadata2, i16* %metadata3)
ret void
}
; Test a 64-bit ID.
;
; CHECK: .quad 4294967295
; CHECK-LABEL: .long L{{.*}}-_longid
; CHECK: .quad 4294967296
; CHECK-LABEL: .long L{{.*}}-_longid
; CHECK: .quad 9223372036854775807
; CHECK-LABEL: .long L{{.*}}-_longid
; CHECK: .quad -1
; CHECK-LABEL: .long L{{.*}}-_longid
define void @longid() {
entry:
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967295, i32 0, i8* null, i32 0)
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967296, i32 0, i8* null, i32 0)
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 9223372036854775807, i32 0, i8* null, i32 0)
tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 -1, i32 0, i8* null, i32 0)
ret void
}
; Map a value when R11 is the only free register.
; The scratch register should not be used for a live stackmap value.
;
; CHECK-LABEL: .long L{{.*}}-_clobberScratch
; CHECK-NEXT: .short 0
; 1 location
; CHECK-NEXT: .short 1
; Loc 0: Indirect fp - offset
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 4
; CHECK-NEXT: .short 6
; CHECK-NEXT: .short 0
; CHECK-NEXT: .long -{{[0-9]+}}
define void @clobberScratch(i32 %a) {
tail call void asm sideeffect "nop", "~{ax},~{bx},~{cx},~{dx},~{bp},~{si},~{di},~{r8},~{r9},~{r10},~{r12},~{r13},~{r14},~{r15}"() nounwind
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 8, i32 %a)
ret void
}
; A stack frame which needs to be realigned at runtime (to meet alignment
; criteria for values on the stack) does not have a fixed frame size.
; CHECK-LABEL: .long L{{.*}}-_needsStackRealignment
; CHECK-NEXT: .short 0
; 0 locations
; CHECK-NEXT: .short 0
define void @needsStackRealignment() {
%val = alloca i64, i32 3, align 128
tail call void (...) @escape_values(i64* %val)
; Note: Adding any non-constant to the stackmap would fail because we
; expected to be able to address off the frame pointer. In a realigned
; frame, we must use the stack pointer instead. This is a separate bug.
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)
ret void
}
declare void @escape_values(...)
declare void @llvm.experimental.stackmap(i64, i32, ...)
declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
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